描述
PC合成
特点：无卤阻燃，
高流动性，高耐热性
用途：显示屏前框、后壳、笔记本电脑壳、电子电器等。
PC合成
工业聚碳酸酯主要由双酚A和光气合成。其主链含有苯环和四取代的季碳原子，增加了刚性和耐热性。Tm=265-270℃，Tg=149℃，在15-130℃下能保持良好的力学性能，优良的抗冲击性和透明度，尺寸稳定，抗蠕变，优于聚酯，是一种重要的工程塑料。然而，聚碳酸酯在加热时容易发生应力开裂和水解，因此在加工前应充分干燥
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PC Synthesis
Features: halogen-free flame retardant,
high fluidity, high heat resistance.
Application: display front frame and back shell,
notebook shell, electronic appliances, etc.
PC Synthesis
Product Details
PC synthesis
Industrial polycarbonate is mainly synthesized by bisphenol A and phosgene. Its main chain contains benzene ring and tetra-substituted quaternary carbon atoms, which increases rigidity and heat resistance. Tm=265-270℃, Tg=149℃, It can maintain good mechanical properties at 15-130°C, excellent impact resistance and transparency, stable dimensions, creep resistance, better than polyester polyester, and is an important engineering plastic. However, polycarbonate is prone to stress cracking and hydrolysis when heated, so it should be fully dried before processing.
PC synthesis
The preparation methods of polycarbonate include transesterification method and phosgene direct method.
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